The heart all about our circulatory system and more smithsonian science simon seymour on amazoncom free shipping on qualifying offers the heart all about our circulatory system and more smithsonian science. Our circulatory system is comprised of the heart blood and blood vessels to ensure proper blood circulation you have to keep all the parts of the circulatory system healthy when one part is compromised the entire blood circulatory system suffers when this happens our overall health is compromisedaddressing poor circulation immediately is crucial as it. The heart all about our circulatory system and more paperback illustrated may 23 2006 by seymour simon author 42 out of 5 stars 35 ratings see all formats and editions hide other formats and editions amazon price new from used from paperback illustrated please retry cdn 999 cdn 761 cdn 484 paperback cdn 999 10 used from cdn 484 5 new from cdn 761 join award . The heart sends deoxygenated blood to the lungs where the blood loads up with oxygen and unloads carbon dioxide a waste product of metabolism together the heart blood and blood vessels
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